309320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:78

約数の個数: 64

約数和(自身を含む): 820800

約数和(自身を除く): 511480

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 37, 38, 40, 44, 55, 74, 76, 88, 95, 110, 148, 152, 185, 190, 209, 220, 296, 370, 380, 407, 418, 440, 703, 740, 760, 814, 836, 1045, 1406, 1480, 1628, 1672, 2035, 2090, 2812, 3256, 3515, 4070, 4180, 5624, 7030, 7733, 8140, 8360, 14060, 15466, 16280, 28120, 30932, 38665, 61864, 77330, 154660, 309320]

約数ペア:

[(1, 309320), (2, 154660), (4, 77330), (5, 61864), (8, 38665), (10, 30932), (11, 28120), (19, 16280), (20, 15466), (22, 14060), (37, 8360), (38, 8140), (40, 7733), (44, 7030), (55, 5624), (74, 4180), (76, 4070), (88, 3515), (95, 3256), (110, 2812), (148, 2090), (152, 2035), (185, 1672), (190, 1628), (209, 1480), (220, 1406), (296, 1045), (370, 836), (380, 814), (407, 760), (418, 740), (440, 703)]